Wikipedia:Selected anniversaries/August 21

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This is a list of selected August 21 anniversaries that appear in the "On this day" section of the Main Page. To suggest a new item, in most cases, you can be bold and edit this page. Please read the selected anniversaries guidelines before making your edit. However, if your addition might be controversial or on a day that is or will soon be on the Main Page, please post your suggestion on the talk page instead.

Please note that the events listed on the Main Page are chosen based more on relative article quality and to maintain a mix of topics, not based solely on how important or significant their subjects are. Only four to five events are posted at a time and thus not everything that is "most important and significant" can be listed. In addition, an event is generally not posted this year if it is also the subject of the scheduled featured article or picture of the day.

To report an error when this appears on the Main Page, see Main Page errors. Please remember that this list defers to the supporting articles, so it is best to achieve consensus and make any necessary changes there first.

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Ineligible

Blurb Reason
Youth Day and King Mohammed's Birthday in Morocco; Morocco: refimprove; Mohammed VI: lead too short, unreferenced section (Ancestry)
Rosh Hashanah LaBehema (Judaism, 2020) Date not reliably cited, and not a mainstream Jewish festival; see discussion at [1]
Ninoy Aquino Day in the Philippines refimprove
1140Song dynasty general Yue Fei defeated an army led by Jin dynasty general Wuzhu at the Battle of Yancheng during the Jin–Song Wars. refimprove section
1680 – Several tribes of Pueblo Indians captured the town of Santa Fe in Nuevo México. lots of CN tags in one section ("In the arts")
1772 – A bloodless coup d'état led by Gustav III was completed with the adoption of a new Swedish Constitution. refimprove section
1791 – A slave rebellion erupted in the French colony of Saint-Domingue, starting the Haitian Revolution. refimprove section
1831 – Enslaved African-American preacher Nat Turner led a slave revolt in Southampton County, Virginia, which was suppressed about 48 hours later. in popular culture section
1944 – Delegations from Republic of China, the Soviet Union, the United Kingdom, and the United States, met at Dumbarton Oaks in Washington, D.C. to discuss the formation of the United Nations. unreferenced section
1959 – Under the terms of the Hawaii Admission Act and a subsequent plebiscite, the Territory of Hawaii was officially admitted as the 50th U.S. state. lots of CN tags (24)
1968 – The Prague Spring, a period of political liberalization in Czechoslovakia, abruptly ended after Warsaw Pact troops invaded the country, killing 72 Czechoslovaks and arresting their leader Alexander Dubček. refimprove section
1968Private First Class James Anderson Jr. of the U.S. Marine Corps became the first African-American Marine Corps recipient of the Medal of Honor. unreferenced section
1969 – An Australian tourist set the Al-Aqsa Mosque in Jerusalem on fire, a major catalyst of the formation of the Organisation of Islamic Cooperation. Lots of tags in one section
1982Lebanese Civil War: The first troops of a multinational force landed in Beirut to oversee the Palestine Liberation Organization withdrawal from Lebanon. unreferenced sections
1992United States Marshals engaged a fugitive in a shootout at Ruby Ridge, Idaho, beginning a twelve-day siege. Lots of self-published sources
1983 – Philippine opposition leader Benigno Aquino Jr. was assassinated moments after stepping off a plane at the Manila International Airport from his self-imposed exile in the United States. Aquino: unreferenced section (Ancestry); Assassination: unreferenced section, refimprove section
1993NASA lost contact with its Mars Observer spacecraft, three days before orbital insertion. unreferenced section
2007Hurricane Dean made landfall on the Yucatán Peninsula of Mexico at Category 5 intensity, causing 45 deaths and US$1.5 billion in damage. figures are dubious; refer to the whole hurricane, rather than the Yucatan peninsula
Zahir al-Umar |d|1775 date of death uncertain, could be 21st or 22nd
Jules Michelet |b|1798| peacock, underreffed section

Eligible

Notes

  • Cable 243 appears on August 24, so Xá Lợi Pagoda raids should not appear in the same year

August 21

Rocket launcher from the Ghouta chemical attack
Rocket launcher from the Ghouta chemical attack
More anniversaries: